/*通用样式*/
*{
    padding:0;
    margin:0;
    box-sizing: border-box;
}
.clearfix:after,
.clearfix:before{
    content:"";
    display: block;
    clear: both;
}
a{
    text-decoration: none;
}
li{
    list-style-type: none;
}
.header .container,.nav .container,.main .container,.footer-top,.footer-bottom{
    width:1200px;
    margin:0 auto;
}


/*头部的通用样式*/
.header{
    background-color: #1b1b1b;
    padding-top: 24px;
    padding-bottom: 56px;
}
.header .row-1 .col-md-1{
    float:left;
    width:36%;
}
.header .row-1 .col-md-3{
    float:left;
    width:11%;
}
.header .row-1 .col-md-2{
    float:left;
    width:30%;
    position: relative;
}
.header .row-1 .col-md-2 input{
    width:150px;
    padding-top: 4px;
    padding-bottom: 4px;
    padding-left: 14px;
    border-radius: 14px;
    border:2px solid #fff;
    background-color: #1b1b1b;
    outline: none;
    color:#666666;
    cursor: pointer;
}
.header .row-1 .col-md-2 input:hover{
    color:#fff;
}
.header .row-1 .col-md-2 input::-webkit-input-placeholder {
    color: #666;
    font-size: 13px;
}
.header .row-1 .col-md-2 input:hover::-webkit-input-placeholder{
    color: #999999;
}
.header .row-1 .col-md-3 p a{
    display: flex;
    color:#fff;
    font-size: 14px;
}
.header .row-1 .col-md-2 img{
    position: absolute;
    top: 2px;
    left: 164px;
}
.header .row-1 .col-md-2 img:hover,.header .row-1 .c-1 img:hover{
    opacity: .8;
}
.header .row-1 .col-md-3 p a:hover{
    opacity: .8;
}
.header .row-1 .col-md-3 p{
    padding-top:5px;
}

.header .row-1{
    position: relative;
}
.header .dt_nav_content12 img,.header .dt_nav_content12 img{
    width:100px;
    height:100px;
    box-shadow: 0 0 3px #ccc;
}
.header .dt_nav_content12{
    position: absolute;
    height: 198px;
    text-align: center;
    left: 794px;
    top: 34px;
    display: none;
    z-index: 6;
    cursor: pointer;
    transition: all 2s linear 2s;
}

.header .dt_nav_content12 img,.header .dt_nav_content13 img{
    width:100px;
    height:100px;
    box-shadow: 0 0 3px #ccc;
}
.header .dt_nav_content13{
    position: absolute;
    height: 198px;
    text-align: center;
    left: 918px;
    top:34px;
    display: none;
    z-index: 6;
    cursor: pointer;
}


/*导航的通用样式*/

.nav .container .row{
    position: relative;
}
.nav .container .dt_nav_content{
    padding:10px;
    text-align: center;
    border:1px solid #666;
    position: absolute;
    top: 36px;
    left: 162px;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content1{
    padding:20px;
    position: absolute;
    top: 36px;
    left: 214px;
    width:316px;
    border:1px solid #666;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content2{
    text-align: center;
    padding:10px;
    position: absolute;
    border:1px solid #666;
    top: 36px;
    left: 442px;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content3{
    position: absolute;
    border:1px solid #666;
    text-align: center;
    padding:10px;
    top: 36px;
    left: 582px;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content4{
    position: absolute;
    border:1px solid #666;
    text-align: center;
    padding:10px;
    top: 36px;
    left:864px;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content5{
    position: absolute;
    border:1px solid #666;
    text-align: center;
    padding:10px;
    top: 36px;
    left: 1006px;
    display: none;
    z-index: 3;
    background: #fff;
    box-shadow: 0 0 3px #696969;
}
.nav .container .dt_nav_content2 a,.nav .container .dt_nav_content3 a,.nav .container .dt_nav_content4 a,.nav .container .dt_nav_content5 a{
    display: block;
    height: 30px;
}
.nav .container .dt_nav_content1 .a1:hover,.main-3 .dt_nav_content6 .a1:hover{
    text-decoration: underline;
}
.nav .container .dt_nav_content a,.nav .container .dt_nav_content1 a,.nav .container .dt_nav_content2 a,.nav .container .dt_nav_content3 a,.nav .container .dt_nav_content4 a,.nav .container .dt_nav_content5 a,.main-3 .dt_nav_content6 a{
    font-size: 14px;
    color:#000;
}
.nav .container .dt_nav_content a{
    display: block;
    height: 30px;
}
.nav .container .dt_nav_content a:hover,.nav .container .dt_nav_content2 a:hover,.nav .container .dt_nav_content3 a:hover,.nav .container .dt_nav_content4 a:hover,.nav .container .dt_nav_content5 a:hover{
    border-bottom:3px solid #bfc0c0;
}

/*导航的样式*/
.header .t{
    display: none;
}
.header .t span{
    background: url(../img/svg.png) no-repeat center center;
    display: inline-block;
    width: 31px;
    height: 28px;
    background-size: 100% 100%;
    border-radius: 3px;
}
.header .t{
    font-size: 27px;
    line-height: 1;
    border: 1px solid transparent;
}

/*脚部的通用样式*/
.footer{
    margin-top:40px;
    background-color: #1b1b1b;
    width:100%;
    padding-top:16px;
    padding-bottom:74px;
}
.footer-top .col-1,.footer-top .col-2{
    float:left;
}
.footer-top .col-1{
    width:60%;
}
.footer-top .col-2{
    width:13.333333%;
}
.footer-top a{
    display: flex;
}
.footer-top{
    padding-top: 7px;
    padding-bottom: 8px;
}
.footer-top .row-1{
    position: relative;
}
.footer-top .dt_nav_content11 img,.footer-top .dt_nav_content12 img{
    width:100px;
    height:100px;
    box-shadow: 0 0 3px #ccc;
}
.footer-top .dt_nav_content11{
    position: absolute;
    height: 198px;
    text-align: center;
    left: 779px;
    top: 46px;
    display: none;
    z-index: 6;
    cursor: pointer;
}
.footer-top .dt_nav_content11 .fas{
    font-weight: 900;
    color: #fff;
    font-size: 25px;
    opacity: 1;
}
.footer-top a{
    color:#ffffff;
}
.footer-top .col-2 a img:hover{
    opacity: 0.8;
}
.footer-middle{
    margin-top:12px;
    background-color: #fff;
    height:4px;
    width:100%;
}
.footer-bottom .row-1 a{
    color:#fff;
    font-size: 15px;
}
.footer-bottom .row-1 li{
    float: left;
    padding-left: 10px;
    border-right: 4px solid #fff;
    width: 100px;
    height: 20px;
    text-align: center;
}
.footer-bottom .row-1 .li-1{
    border: none;
}
.footer-bottom .row-1 .li-2{
    padding-left: 0;
    text-align: left;
    width:84px;
}
.footer-bottom{
    padding-top:30px;
}
.footer-bottom .row-2 p,.footer-bottom .row-3 p,.footer-bottom .row-4 p{
    color:#fff;
    font-size: 15px;
}
.footer-bottom .row-2 a,.footer-bottom .row-3 a{
    color:#b0b0b0;
    font-size: 14px;
    padding-left:30px;
}
.footer-bottom .row-4 a{
    color:#fff;
    padding-left:6px;
}
.footer-bottom .row-2{
    padding-top:34px;
    padding-bottom: 22px;
}
.footer-bottom .row-3{
    padding-bottom:30px;
}
.footer-top .col-1{
    padding-top:10px;
}
.footer-top .col-2 {
    padding-left: 60px;
}
.footer-top .dt_nav_btn11 a{
    padding-top:10px;
    font-size: 15px;
}
.footer-top .dt_nav_btn11 a:hover{
    opacity: .8;
}
.footer-top .dt_nav_btn11{
    transition: all 2s linear 2s;
}
#toTop{
    padding-top:6px;
}
#toTop img{
    transition: all .4s ease;
}
#toTop img:hover{
    transition: all .4s ease;
}

/*响应式的通用样式*/
@media (max-width:600px) {
    .header .container, .nav .container, .main .container, .footer-top, .footer-bottom {
        width: 100%;
    }
     .header .row-1 .col-md-2, .header .row-1 .col-md-3 {
        width: 100%;
    }
    .header .row-1 .col-md-1{
        width:89%;
    }
    .header .row-1 .col-md-2, .header .row-1 .col-md-3 {
        padding-left: 16px;
        padding-top: 12px;
    }
    .header .row-1 .col-md-2 img {
        top: 16px;
        left: 178px;
    }
    .header .dt_nav_content12 {
        left: 142px;
        top: 90px;
    }
    .header .dt_nav_content13 {
        left: 142px;
        top: 100px;
    }
    .nav .container li{
         padding-left:20px;
    }
    .nav .container li,.nav .container {
        width:100%;
    }
    .nav .container .col-md-1{
        width:100%;
    }
    .nav .container .dt_nav_content1,.nav .container .dt_nav_content,.nav .container .dt_nav_content2,.nav .container .dt_nav_content3,.nav .container .dt_nav_content4,.nav .container .dt_nav_content5{
        width:100%;
        position: inherit;
    }
    .nav .container .dt_nav_content1 a,.nav .container .dt_nav_content a,.nav .container .dt_nav_content2 a,.nav .container .dt_nav_content3 a,.nav .container .dt_nav_content4 a,.nav .container .dt_nav_content5 a{
        height:100%;
    }
    .nav .container li{
        float: none;
    }
    .header .row-1{
        text-align: center;
    }
    .nav-1{
        display:none;
    }
    .nav{
        display: none;
    }
    .nav-1 .container1 li {
        float: none;
        padding-left: 20px;
    }
    .header .t{
        display: block;
        position: absolute;
        top: 4px;
        right: 3px;
    }
    .footer-top{
        padding: 14px;
    }
    .footer-top .col-1,.footer-top .col-2{
        width:100%;
    }
    .footer-top .dt_nav_content11{
        left: 114px;
        top: 60px;
    }
    .footer-top .dt_nav_btn11{
        padding-bottom:20px;
    }
    .footer-top .dt_nav_content11 .fas{
        display: none;
    }
    .footer-bottom{
        padding:18px;
    }
    .footer-bottom .row-1 .li-2{
        padding-left:10px;
        text-align: center;
        width:100%;
    }
    .footer-bottom .row-1 li {
        float: left;
        padding-left: 10px;
        border-right: 4px solid #fff;
        width:100%;
        height: 20px;
        text-align: center;
        margin-top: 20px;
        border-right:0;
    }
    .footer-bottom .row-2 a, .footer-bottom .row-3 a{
        padding-left:26px;
    }
    .footer-top .col-2{
        padding-left:0;
    }

}